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Finding the Fourth Proportional to 445,940.50, 615,397.90 and 267,092.50

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Solution

The fourth proportional to 445,940.50, 615,397.90 and 267,092.50 is: 368,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,940.50 : 615,397.90 = 267,092.50 : x
  2. Step 2: Convert to fraction form
    445,940.50/615,397.90 = 267,092.50/x
  3. Step 3: Cross multiply
    445,940.50x = 615,397.90 × 267,092.50
  4. Step 4: Simplify right side
    445,940.50x = 164,368,163,605.75
  5. Step 5: Solve for x
    x = 164,368,163,605.75/445,940.50
  6. Step 6: Final answer
    x = 368,587.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.